Application Modernization Services for Enterprise & Government
Extend the life and capability of your existing systems - without starting from scratch.
StrataGrid Inc. helps government agencies and enterprise organizations modernize aging software systems through structured, low-risk migration, re-architecture, and extension programs. We move legacy applications to modern, maintainable platforms while preserving the institutional logic and data your operations depend on.
What Is Application Modernization?
Application modernization is the process of updating legacy software systems - aging codebases, outdated architectures, or end-of-life platforms - to modern equivalents that are more maintainable, more secure, and better aligned to current operational needs. This can involve re-hosting (moving to cloud infrastructure), re-platforming (changing the runtime without rewriting logic), re-architecting (restructuring the application design), or rebuilding (replacing with a new system that mirrors the old functionality). For Canadian government and enterprise clients, modernization often also includes meeting current security, accessibility, and data-residency requirements.
Working with federal departments, provincial agencies, and enterprise organizations across Canada, StrataGrid modernizes systems built on aging .NET, Java, PHP, and proprietary platforms - migrating them to modern, documented, cloud-ready equivalents that internal teams can maintain.
Why Choose StrataGrid for Application Modernization
Low-Risk Migration Approach
We use incremental migration strategies - the strangler-fig pattern, parallel running, and feature-flag rollouts - so the old system stays live until the new one is validated in production.
Security Gaps Closed
Legacy systems often have unpatched vulnerabilities, weak authentication, and missing audit trails. Modernization is the opportunity to close these gaps with proper security architecture.
Modern, Maintainable Codebase
The output is a system your team can confidently maintain - with clear architecture, standard frameworks, test coverage, and documentation that doesn't require the original developers.
Reduced Operating Cost
Moving from end-of-life platforms, proprietary infrastructure, or excessive workarounds to modern cloud-native architecture typically reduces licensing, hosting, and maintenance costs significantly.
Documentation That Follows
Every modernized system is delivered with current architecture documentation, API contracts, database schemas, and deployment runbooks - so you're not inheriting a black box.
Institutional Logic Preserved
We carefully map and preserve the business rules, data relationships, and process logic embedded in legacy systems - the institutional knowledge that makes the system valuable.
Application Modernization Delivery Process
We follow a clear, structured process so every decision, milestone, and handoff is documented.
Discovery
We take time to understand your problem, users, workflows, and goals before writing a single line of code.
Solution Design
We map out the structure, features, and roadmap - giving you a clear picture of what will be built and why.
Software Development
We build the application, backend, APIs, automation tools, and supporting systems using modern, maintainable practices.
Testing & QA
We test thoroughly, fix issues, and confirm the solution is reliable before it reaches your users.
Deployment & Support
We launch the solution and provide ongoing support and improvements as your needs evolve.
Application Modernization for Real Operating Environments
These are the teams, workflows, and operating models where this work creates the most value.
Government Legacy System Replacement
Federal and provincial departments replacing aging, unsupported systems with modern, cloud-ready platforms that meet current security and accessibility standards.
On-Premise to Cloud Migration
Moving applications from on-premise or co-located infrastructure to AWS or Azure - in alignment with Canada's federal cloud-first directive.
End-of-Life Platform Migration
Applications running on end-of-support .NET Framework, PHP 5.x, Oracle Forms, or other EOL platforms migrated to modern supported equivalents.
Monolith Decomposition
Large, tightly-coupled legacy applications decomposed into independent services with clean API boundaries - enabling individual components to be deployed, scaled, and updated separately.
Authentication Modernization
Legacy authentication systems (username/password with custom session management) replaced with SAML/SSO, OAuth 2.0, and multi-factor authentication integrating with corporate or government identity providers.
Database Migration
Migrating data from proprietary databases, Access, or legacy Oracle/MSSQL configurations to modern PostgreSQL, cloud-managed databases, or purpose-fit alternatives - with data integrity validation throughout.
Everything We Deliver
Workflow Automation
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Talk to our team about your project. We'll help you scope the problem, identify the right approach, and deliver a solution that lasts.
Questions About Working Together
Do we have to replace the entire legacy system at once?
No - and we strongly recommend against big-bang replacements for complex systems. We use incremental approaches (strangler-fig pattern, module-by-module migration) where the legacy system stays live and is progressively replaced section by section. This dramatically reduces risk.
How do you migrate data from legacy systems without losing anything?
We build data migration scripts with comprehensive validation - comparing record counts, checksums, and spot-check comparisons between source and target. We also run parallel systems during a validation period so you can verify the migrated data against live operations before cutting over.
Does the Government of Canada have policies around application modernization?
Yes. The Government of Canada's digital strategy explicitly identifies application modernization as a key priority, frames legacy technical debt as a risk, and mandates cloud-first consideration for new and modernized applications. The GC also prioritizes open standards, accessible design, and security by design - all of which guide how we approach modernization projects.
How long does application modernization typically take?
A targeted module modernization might take 3-6 months. A full legacy system replacement typically takes 6-18 months depending on complexity, data volume, and integration dependencies. We always start with a formal assessment phase that produces a scoped roadmap and timeline before development begins.
What's the difference between re-hosting, re-platforming, and re-architecting?
Re-hosting (lift-and-shift) moves the application to new infrastructure with minimal code changes - fast but doesn't address technical debt. Re-platforming changes the runtime environment (e.g., old .NET Framework to .NET 8) with some refactoring. Re-architecting restructures how the application is designed - often decomposing a monolith into services. We recommend the approach that best balances your risk, timeline, and long-term maintainability goals.
Custom Software Development
When the right answer is building a new system from scratch.
Backend Systems & API Development
Modern API layers extracted from or built alongside legacy systems.
Secure Software Development
Security hardening as part of your modernization effort.
Digital Transformation Consulting
Strategic roadmapping for multi-system modernization programs.
Government Software Development
Modernization built around government compliance and procurement requirements.